Patents Assigned to Kabushiki Kaisha Naval Engineering
  • Hull for sailing ship
    Patent number: 5220878
    Abstract: A hull for sailing ship makes it possible to sail mostly by sail and by engine when necessity arises. An auxiliary propulsion engine is installed within a ballast portion protruding downward from the bottom of the hull body, so that the auxiliary propulsion engine can also be used as ballast.
    Type: Grant
    Filed: October 25, 1991
    Date of Patent: June 22, 1993
    Assignee: Kabushiki Kaisha Naval Engineering
    Inventor: Masami Himeda
  • Hull for sailing ship
    Patent number: 5103752
    Abstract: A hull for sailing ship makes it possible to sail mostly by sail and by engine when necessity arises. An auxiliary propulsion engine is installed within a ballast portion protruding downward from the bottom of the hull body, so that the auxiliary propulsion engine can also be used as ballast.
    Type: Grant
    Filed: April 9, 1990
    Date of Patent: April 14, 1992
    Assignee: Kabushiki Kaisha Naval Engineering
    Inventor: Masami Himeda